213025325 has 6 divisors (see below), whose sum is σ = 264151434. Its totient is φ = 170420240.

The previous prime is 213025297. The next prime is 213025331. The reversal of 213025325 is 523520312.

It can be written as a sum of positive squares in 3 ways, for example, as 2253001 + 210772324 = 1501^2 + 14518^2 .

It is not a de Polignac number, because 213025325 - 2²⁶ = 145916461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213025325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4260482 + ... + 4260531.

It is an arithmetic number, because the mean of its divisors is an integer number (44025239).

Almost surely, 2^213025325 is an apocalyptic number.

213025325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213025325 is a deficient number, since it is larger than the sum of its proper divisors (51126109).

213025325 is an equidigital number, since it uses as much as digits as its factorization.

213025325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521023 (or 8521018 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 213025325 is about 14595.3871137425. The cubic root of 213025325 is about 597.2329297842.

Adding to 213025325 its reverse (523520312), we get a palindrome (736545637).

The spelling of 213025325 in words is "two hundred thirteen million, twenty-five thousand, three hundred twenty-five".